public PiSystemHub(IMetricStream metricStream)
{
this.metricStream = metricStream;
this.container = new HashSet <string>();
}
public void CaptureMetrics(IMetricStream stream)
{
var retVal = new List <MetricBase>();
_processedPids.Clear();
var processes = Process.GetProcesses();
foreach (var proc in processes)
{
_processinfo pinfo;
if (!_counters.TryGetValue(proc.Id, out pinfo))
{
pinfo = new _processinfo();
pinfo.CpuPerc = new PerformanceCounter("Process", "% Processor Time", proc.ProcessName);
pinfo.MemoryUsage = new PerformanceCounter("Process", "Working Set - Private", proc.ProcessName);
//pinfo.DiscUsage = new PerformanceCounter("PhysicalDisk", "% Disk Time", "_Total");
//pinfo.NetworkUsage = new PerformanceCounter("Network Interface", "% Processor Time", proc.ProcessName);
}
var metric = new ProcessDescriptorMetric();
try
{
metric.TimeStamp = DateTime.UtcNow;
metric.Name = proc.ProcessName;
metric.Pid = proc.Id;
metric.SessionId = proc.SessionId;
metric.CpuPerc = pinfo.CpuPerc.NextValue();
metric.MemoryUsage = pinfo.MemoryUsage.NextValue() / 1024 / 1024;
//metric.DiscUsage = pinfo.DiscUsage.NextValue();
}
catch
{
//todo: ???
metric = null;
}
if (metric != null)
{
stream.Append(metric);
}
_processedPids.Add(proc.Id);
}
foreach (var counters in _counters)
{
if (!_processedPids.Contains(counters.Key))
{
var info = counters.Value;
info.CpuPerc.Dispose();
info.MemoryUsage.Dispose();
info.DiscUsage.Dispose();
_counters.Remove(counters.Key);
stream.Append(new ProcessDescriptorMetric {
TimeStamp = DateTime.UtcNow,
Pid = counters.Key
});
}
}
}
